Re: count and sum element negative in array

[Kai Torben Ohlhus]

On Thu, Sep 20, 2018 at 10:15 AM shivax <address@hidden> wrote:

example:

a=[-3,4,5,-8,-9]

i want to sum element negative :

3 + 8+  9 =20

it's possible to do it with a function?

In Octave you can make use of logical indexing:

   -sum (a(a<0))

HTH,

Kai